| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.skywalking.plugin.test.agent.tool.validator.assertor; |
| |
| import org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.ElementAssertor; |
| import org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.EqualsAssertor; |
| import org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.GreatThanAssertor; |
| import org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.GreetEqualAssertor; |
| import org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.NoopAssertor; |
| import org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.NotEqualsAssertor; |
| import org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.NotNullAssertor; |
| import org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.NullAssertor; |
| |
| public class ExpressParser { |
| public static ElementAssertor parse(String express) { |
| if (express == null) { |
| return new NoopAssertor(); |
| } |
| |
| String expressTrim = express.trim(); |
| if (expressTrim.equals("not null")) { |
| return new NotNullAssertor(); |
| } |
| |
| if (expressTrim.equals("null")) { |
| return new NullAssertor(); |
| } |
| |
| String[] expressSegment = expressTrim.split(" "); |
| if (expressSegment.length == 1) { |
| return new EqualsAssertor(expressSegment[0]); |
| } else if (expressSegment.length == 2) { |
| String exceptedValue = expressSegment[1]; |
| switch (expressSegment[0].trim()) { |
| case "nq": |
| return new NotEqualsAssertor(exceptedValue); |
| case "eq": |
| return new EqualsAssertor(exceptedValue); |
| case "gt": |
| return new GreatThanAssertor(exceptedValue); |
| case "ge": |
| return new GreetEqualAssertor(exceptedValue); |
| } |
| } |
| |
| return new EqualsAssertor(express); |
| } |
| } |